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Free Online Mock Physics Multiple Choice Test on Rotational Motion
Sub Category : Rotational Motion Test : 9 Time Left :
1)The moment of inertia of a uniform circular disc about a diameter is I. Its moment of inertia about an axis perpendicular to its plane and passing through a point on its rim will be
(1) 2I (2) 4I (3) 6I (4) 8I.
  1 2 3 4
2) Three identical rings, each of mass M and radius R, are arranged as shown in Fig. 57. The moment of inertia of the arrangement about YY’ is (1) 1/2 MR2 (2) MR2 (3) 5/2 MR2 (4) 7/2 MR2
  1 2 3 4
3) Three thin uniform rods, each of mass m and length l, lie along the x,y,z axes with one end of each at the origin. The moment of inertia about the z-axis for the three-rod system is (1) 2/3 ml2 (2) 1/3 ml2 (3) 1/2 ml2 (4) ml2
1 2 3 4
4) The radius of gyration of a circular plate of radius R, about an axis perpendicular to its plane and bisecting a radius is (1) R (2) R/2 (3) Route of 3R/2 (4) Route of 5R/2
1 2 3 4
5) A thin uniform wire of length l and mass m is bent in the form of a semicircle. Its moment of inertia about an axis ( Y’OY) passing through the free ends is (1) 1/2 ml2 (2) ml2/2pie2 (3) ml2/3pie2 (4) ml2/4pie2
1 2 3 4
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